Decrease the amount of force applied
The ratio of the distance moved by the point at which the effort is applied in a simple machine to the distance moved by the point at which the load is applied, in the same time. In the case of an ideal (frictionless and weightless) machine, velocity ratio = mechanical advantage. Velocity ratio is sometimes called distance ratio.
Answer:
D. from a separate pool than is the control group.
Explanation:
in the picture the person answers is backwards but...
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